Begin implementing V8 bindings for Mojo

mojo/public/bindings/js/v8_exceptions.cc

Index: mojo/public/bindings/js/v8_exceptions.cc
diff --git a/mojo/public/bindings/js/v8_exceptions.cc b/mojo/public/bindings/js/v8_exceptions.cc
new file mode 100644
index 0000000000000000000000000000000000000000..826f7ea1ef528ddbbd539e1b96d00f1a7908eb1a
--- /dev/null
+++ b/mojo/public/bindings/js/v8_exceptions.cc
@@ -0,0 +1,20 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "mojo/public/bindings/js/v8_exceptions.h"
+
+#include "mojo/public/bindings/js/v8_core.h"
+
+namespace mojo {
+namespace js {
+
+const char kInsufficientArguments[] = "Insufficient number of arguments.";
+
+void ThrowTypeError(v8::Isolate* isolate, const char* message) {
+  v8::Handle<v8::String> string = v8::String::New(message);
+  isolate->ThrowException(v8::Exception::TypeError(string));
+}
+
+}  // namespace js
+}  // namespace mojo